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27312151013 = 724391269683
BaseRepresentation
bin11001011011111011…
…100101100111100101
32121111102122000201122
4121123323211213211
5421413402313023
620314054103325
71654551311300
oct313373454745
977442560648
1027312151013
1110645aa7334
12536294ab45
132763574304
141471499b37
15a9cb942c8
hex65bee59e5

27312151013 has 12 divisors (see below), whose sum is σ = 31843674720. Its totient is φ = 23357070072.

The previous prime is 27312150923. The next prime is 27312151039. The reversal of 27312151013 is 31015121372.

It is not a de Polignac number, because 27312151013 - 224 = 27295373797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27312151073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613331 + ... + 656352.

It is an arithmetic number, because the mean of its divisors is an integer number (2653639560).

Almost surely, 227312151013 is an apocalyptic number.

It is an amenable number.

27312151013 is a deficient number, since it is larger than the sum of its proper divisors (4531523707).

27312151013 is a wasteful number, since it uses less digits than its factorization.

27312151013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270136 (or 1270129 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 27312151013 its reverse (31015121372), we get a palindrome (58327272385).

The spelling of 27312151013 in words is "twenty-seven billion, three hundred twelve million, one hundred fifty-one thousand, thirteen".

Divisors: 1 7 49 439 3073 21511 1269683 8887781 62214467 557390837 3901735859 27312151013